2-Bromo-6-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
2-Bromo-6-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 2-(aminomethyl)-3-bromo-6-(trifluoromethoxy)pyridine-4-carboxylate
3-(Aminomethyl)-5-bromo-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine